Windows SharePoint Services & Microsoft Office SharePoint Server hotfixes for March 27, 2008
The latest post SP1 global WSS and MOSS patches are:
Description of the SharePoint Server 2007 hotfix package: March 27, 2008
https://support.microsoft.com/?id=950487
Description of the Windows SharePoint Services 3.0 hotfix package: March 27, 2008
The lastest post SP1 localized WSS (no localized MOSS patches after SP1 yet) patch is:
Description of the Windows SharePoint Services 3.0 hotfix package: February 22, 2008
You need all three of these patches installed to be running the most current WSS and MOSS updates.
Your build number will be 12.0.0.6308 after this installation.